Protective case for storing store your scuba or snorkeling mask. The case is made of clear hard plastic for protecting the mask during the transport. The case is versatile, it can be used for storing other items that you have at home. Due to its transparency, it is very appreciated by makers, handcrafters, designers for storing tools and parts. Great for your workshop. The Protective Box comes in 2 sizes: large (20 x 12.5 x 12 cm | 7.9 x 4.9 x 4.7 in) and medium (20 x 10.5 x 12 cm | 7.9 x 4.1 x 4.7 in). Medium version internal volume: 1530 cm³ | 93.3 cuft. Large version internal volume: 1890 cm³ | 115.3 cu in.